How do I open Unity dash in Ubuntu?

Ubuntu – What’s the command to open the Unity Dash

1. This is quite simple using xdotool — a small command-line utility which automates keyboard and mouse clicks/movements; install it with sudo apt-get install xdotool.
2. In your .desktop shortcut, simply set the Exec line as: Exec=xdotool key –clearmodifiers Super.

Is Unity for Ubuntu good?

Performance. I installed Ubuntu Unity on a VirtualBox VM (with a paultry 3GB of RAM), and performance was on par with any modern Linux distribution I use. Applications open very quickly, updates run as smoothly as you’d expect, and compiling apps from source is fast.